решите пример2целых1/3*1целую2/5+(4,55+1,7):1целую2/3=

1) 2 1/3 * 1 2/5 = 7/3 * 7/5 = 49/152) 4,55 + 1,7 = 6,25 = 6 1/43) 6 1/4 : 1 2/3 = 25/4 * 3/5 = 15/4 4) 49/15 + 15/4 = 196/60 + 225/60 = 421/60 = 7 1/60 Ответ: 7 1/60